import { ref } from "vue";
import * as echarts from "echarts";
import { getParkInfoAPI } from "../api/bigscreen";
import { Application } from '@splinetool/runtime'

const parkInfo = ref({});
const barChart = ref(null);
const pieChart = ref(null);
const ref3d = ref(null);
const isLoading = ref(false)

const getParkInfo = async () => {
  const res = await getParkInfoAPI();
  parkInfo.value = res.data;
};

const init3dModel =()=>{
    isLoading.value = true
    let spline = new Application(ref3d.value)
    spline.load('https://fe-hmzs.itheima.net/scene.splinecode')
    .then(() => {
        console.log('加载成功');
    }).finally(() => {
        isLoading.value = false
    })
}

const initBarChart = () => {
  const { parkIncome } = parkInfo.value;
  const barOptions = {
    tooltip: {
      trigger: "axis",
      axisPointer: {
        type: "shadow",
      },
    },
    grid: {
      // 让图表占满容器
      top: "10px",
      left: "0px",
      right: "0px",
      bottom: "0px",
      containLabel: true,
    },
    xAxis: [
      {
        type: "category",
        axisTick: {
          alignWithLabel: true,
          show: false,
        },
        data: parkIncome.xMonth,
      },
    ],
    yAxis: [
      {
        type: "value",
        splitLine: {
          show: false,
        },
      },
    ],
    series: [
      {
        name: "园区年度收入",
        type: "bar",
        barWidth: "10px",
        data: parkIncome.yIncome.map((item, index) => {
          const color =
            index % 2 === 0
              ? new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                  { offset: 0.23, color: "#74c0f8" },
                  { offset: 1, color: "rgba(116,192,248,0.00)" },
                ])
              : new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                  { offset: 0.23, color: "#ff7152" },
                  { offset: 1, color: "rgba(255,113,82,0.00)" },
                ]);
          return { value: item, itemStyle: { color } };
        }),
      },
    ],
    textStyle: {
      color: "#B4C0CC",
    },
  };
  // 3. 渲染图表
  const myBarChart = echarts.init(barChart.value);
  myBarChart.setOption(barOptions);
};
const initPieChart = () => {
  const { parkIndustry } = parkInfo.value;
  const pieOption = {
    color: ["#00B2FF", "#2CF2FF", "#892CFF", "#FF624D", "#FFCF54", "#86ECA2"],
    legend: {
      itemGap: 20,
      bottom: "0",
      icon: "rect",
      itemHeight: 10, // 图例icon高度
      itemWidth: 10, // 图例icon宽度
      textStyle: {
        color: "#c6d1db",
      },
    },
    tooltip: {
      trigger: "item",
    },
    series: [
      {
        name: "园区产业分析",
        type: "pie",
        radius: ["55%", "60%"], // 设置内圈与外圈的半径使其呈现为环形
        center: ["50%", "40%"], // 圆心位置， 用于调整整个图的位置
        tooltip: {
          trigger: "item",
          formatter: (params) => {
            return `${params.seriesName}</br><div style='display:flex;justify-content: space-between;'><div>${params.marker}${params.name}</div><div>${params.percent}%</div></div>`;
          },
        },
        label: {
          show: false,
          position: "center",
        },
        data: parkIndustry,
      },
    ],
  };
  const myPieChart = echarts.init(pieChart.value);
  myPieChart.setOption(pieOption);
};
export function useParkInfoMember() {
  return {
    parkInfo,
    getParkInfo,
    barChart,
    initBarChart,
    pieChart,
    initPieChart,
    init3dModel,
    ref3d,
    isLoading
  };
}
